Abstract: This disclosure describes systems, methods, and devices related to generating electricity with a water engine. A water engine may include a boiler; a solar oven to retain heat with which the boiler is to heat a liquid to generate steam; a spout extending from the boiler to the liquid, through which the steam passes from the solar oven to the liquid and through which the liquid passes to the solar oven; a floating platform to float on the liquid; and a magnetic rotor operationally connected to the floating platform and to generate electricity by spinning in the liquid.

Abstract: A method for optimizing power distribution amongst one or more electrical supply equipment stations at a power distribution site is provided. The method includes obtaining infrastructure data about the power distribution site, obtaining vehicle/transport climate control system data from one or more transport climate control systems and one or more vehicles demanding power from the one or more electrical supply equipment, and obtaining external data from an external source that can impact power demand from the one or more transport climate control systems. Each of the one or more transport climate control systems configured to provide climate control within a climate controlled space. The method also includes generating an optimized power distribution schedule based on the infrastructure data, the vehicle/transport climate control system data and the external data, and distributing power to the one or more transport climate control systems based on the optimized power distribution schedule.

Abstract: An energy coordination control method. The vehicle comprises an engine, a generator, a battery, a charger and an air conditioner. The generator is mechanically connected to the engine, the generator and the charger are both electrically connected to the battery, the battery is electrically connected to the air conditioner, and the generator is electrically connected to the air conditioner. The method comprises: when a charging signal is detected, controlling the charger to charge the battery, and monitoring an air conditioner signal of the air conditioner (S100); and if it is determined, according to the air conditioner signal, that the air conditioner has the demand for electricity, controlling the engine to start to drive the generator to supply power to the air conditioner (S200). An energy coordination control system, the vehicle, a computer processing device, a computer program and a computer-readable medium are further provided.

Abstract: A generator set system includes an engine and an alternator. Control panels and switchboards for operating the generator set system are integrated into a frame/enclosure that is positioned around/above the alternator. The panels and switchboards are positioned on the sides of the enclosure to allow user access.

Abstract: Systems and methods for lubricant management of a compressor in an HVACR system are disclosed. A heat transfer circuit can utilize a working fluid to provide heating or cooling includes a compressor for compressing the working fluid and a heat source configured to increase a suction temperature of the working fluid entering the compressor. One or more lubricant rheological properties in a compressor system based on measurements taken at or near a bearing cavity of the compressor are determinable. A lubricant reservoir can be in thermal communication with a discharge flow path of the compressor. An internal heat exchanger can be disposed within a compressor for improving viscosity of the lubricant to be cycled back into the compressor. A heater can be located on a fluid line between a lubricant separator and a lubricant inlet. Condenser fans can be controlled.

Abstract: An electrically powered portable self-contained climate controlled storage unit that includes a base including an enclosure, in which the base is configured to support the self-contained climate controlled storage unit, a climate controlled space affixed above the base, and a climate control system for providing climate control to the climate controlled space. The climate control system is provided in the enclosure. The storage unit further includes at least one status indication light provided around a perimeter of at least one surface of the self-contained climate controlled storage unit. The system controller is connected to the self-contained climate controlled storage unit, and is configured to operate the at least one status indication light based on at least one of a system operation status of the self-contained climate controlled storage unit or a logistical operation status of the self-contained climate controlled storage unit.

Abstract: The various implementations described herein include methods, devices, and systems for cooling a vehicular electronics system. In one aspect, a vehicular refrigerant system includes: (1) a refrigerant loop having a compressor configured to compress a refrigerant, a condenser configured to condense the compressed refrigerant, an expansion device configured to enable expansion of the condensed refrigerant, and a heat exchanger configured to transfer heat from a liquid coolant to the expanded refrigerant; (2) a liquid coolant loop configured to transfer heat from an electronics system via the liquid coolant; and (3) a controller configured to: (a) obtain operating data regarding the refrigerant, the liquid coolant, and/or the electronics system; and (b) adjust operation of the refrigerant loop and/or the liquid coolant loop based on the obtained operating data.

Abstract: A combustion engine including a combustion chamber, a first bleed air supply, a second bleed air supply, a thermal bus and a turbomachine. The first bleed air supply being fluidly coupled to a first fluid from a portion of the combustion engine upstream of the combustion chamber. The second bleed air supply being fluidly coupled to a second fluid portion of the combustion engine downstream of the combustion chamber. The turbomachine having a compressor and a turbine. The compressor being fluidly coupled to the first bleed air supply. The turbine being fluidly coupled to the second bleed air supply.

Abstract: A pharmaceutical management system includes: an IC tag attached to a pharmaceutical; a pharmaceutical storage box to store the pharmaceutical and read information of the IC tag; a controller to acquire the information of the IC tag from the pharmaceutical storage box and manage the pharmaceutical; and a pharmaceutical refrigerator to store the pharmaceutical storage box to refrigerate the pharmaceutical.

Abstract: Vehicle control apparatus and vehicle control method are described. The vehicle control apparatus may include a compressor and a controller. The controller may determine a thermal load level at one or more of: a first time point at which an engine is switched to an ON state from an OFF state, a second time point at which a first discharge amount of the battery exceeds a first reference value while the engine is in the OFF state, or a third time point at which a second discharge amount of the battery exceeds a second reference value smaller than the first reference value and a discharge rate associated with the battery exceeds a third reference value while the engine is in the OFF state. The controller may control the compressor using a control value corresponding to the thermal load level.

Abstract: An air conditioning system controller is provided, which performs an air conditioning of a house through an air conditioning controller. The air conditioning system controller includes an in-house power generation amount obtaining section for obtaining a power generation amount generated by a natural energy power generator (for example, a solar power generation panel), an electric power amount obtaining section for obtaining a consumed electric power amount used in the house, a comparing section for comparing the power generation amount obtained by the in-house power generation amount obtaining section with a consumed electric power amount obtained by the electric power amount obtaining section and an air conditioning controlling section for controlling the air conditioning controller according to a comparison result provided by the comparing section.

Abstract: A power supply assembly is disclosed comprising a power supply unit adapted to provide power to a user's device in accordance with power requirements of the user's device, a power connection control unit and an AC controllable switch, configured to connect and disconnect AC power source from the power supply unit in response to respective control provided by the power connection control unit, wherein the power connection control unit and the AC controllable switch are configured to maintain one of two states without consuming electrical power, wherein the two states of the power connection control unit are set state adapted to switch on the AC controllable switch and unset state adapted to switch off the AC controllable switch and wherein when the power supply assembly is in its unset state it is completely disconnected from the AC power source.

Abstract: A graphical display device for mounting to a door of an appliance includes an electronic visual display having a display screen, a housing having a receptacle for receiving the electronic visual display and a mount for affixing the housing to the door of an appliance. The housing additionally includes an internal cavity with a controller retained within the internal cavity, with the controller being operable to selectively enable visual display information to be displayed on the display screen. In a particular embodiment the graphical display device is configured as a housing with the housing including a grip portion and one or more mounts extending rearwardly from the grip portion. The controller may include an interface enabling connection with a remote computer for controlling the visual display information to be displayed on the display screen.

Abstract: A vehicle includes: a battery that is chargeable with electric power supplied from a charger provided outside the vehicle; and an air-conditioning and cooling system that cools the battery. An ECU controls a charging operation for the battery such that the battery is charged under a charging condition of a constant current which is constant over a charging period from start of charging to satisfaction of a completion condition. The ECU sets the charging condition such that a battery temperature when the completion condition is satisfied becomes an upper limit temperature, based on an amount of heat generation in the battery caused by charging and an amount of cooling of the battery by the air-conditioning and cooling system.

Abstract: Disclosed are climate systems for vehicles and methods for controlling the climate systems. In some implementations, a climate system includes: (1) a temperature sensor configured to measure a temperature within the compartment of the vehicle; (2) a first compressor powered by an engine of the vehicle to compress a refrigerant; (3) a second compressor driven by an electric motor to compress the refrigerant; and (4) a controller electrically coupled to the first compressor and the second compressor. The controller configured to: (1) calculate a thermal load of the compartment based on a difference between a desired temperature and a measured temperature; and, (2) based on the calculated load, selectively activate: (i) the engine, (ii) the first compressor, and/or (iii) the second compressor.

Abstract: A system includes an electronic power converter and a controller. The electronic power converter supplies power to one or more motor drives of an HVAC system. The controller obtains a plurality of pulse width modulation (PWM) algorithms. Each PWM algorithm has an associated spectrum of frequencies. The controller further determines one or more resonance frequencies associated with the HVAC system. The controller also selects a first PWM algorithm from the plurality of PWM algorithms wherein the spectrum of frequencies of the first PWM algorithm lacks frequency peaks that overlap with the one or more resonance frequencies associated with the HVAC system. The controller further operates the electronic power converter according to the first PWM algorithm.

Abstract: A recreational vehicle air conditioning system supports multiple recreational vehicle air conditioning units having closed air conditioning circuits and a controller that is electronically coupled to each of the recreational vehicle air conditioning units to control each of the closed air conditioning circuits to regulate an overall power consumption of the multiple recreational vehicle air conditioning units. A recreational vehicle air conditioning system may also support multiple recreational vehicle air conditioning units where a refrigerant line set is coupled between the recreational vehicle air conditioning units such that a compressor in one of the recreational vehicle air conditioning units is capable of supplying refrigerant to the evaporators of the multiple recreational vehicle air conditioning units, and such that valves coupled in series with each of the evaporators may be regulated to control cooling by each recreational vehicle air conditioning unit.

Abstract: A hydrogen-containing gas supply system includes one or more hydrogen-containing gas suppliers, one or more acquirers, and a controller. The one or more hydrogen-containing gas suppliers supply a hydrogen-containing gas to one or more areas in a building. The one or more acquirers acquire information indicating that a person is present in the one or more areas. When it is determined that a person is present in a certain area of the one or more areas in accordance with the information acquired by the acquirers, the controller causes at least one of the one or more hydrogen-containing gas suppliers to supply the hydrogen-containing gas to the certain area.

Abstract: A vehicle battery management apparatus and a method thereof are provided. The vehicle battery management apparatus includes a battery that supplies power to a vehicle, a cooling device that cools the battery and a controller that monitors a state of the battery during parking and controls the cooling device to cool the battery with a cooling level corresponding to the state of the battery.

Abstract: A refrigerating cycle device includes a compressor, a motor, and a wiring switch part. The compressor compresses a refrigerant. The motor generates power for compressing the refrigerant by rotating a rotor with voltage applied to a plurality of wirings. The motor is disposed in the compressor. The wiring switch part switches between a plurality of wiring states by changing connection between the plurality of wirings. When a rotational speed of the rotor exceeds a predetermined value, the wiring switch part switches to a first wiring state of the plurality of wiring states. The first wiring state differs from a second wiring state of the plurality of wiring state. Efficiency of the second wiring state is highest at the rotational speed.

Abstract: A power management method used for power distribution in a transportation refrigeration unit. The power management method includes calculating engine power according to engine operating parameters; calculating power generator real-time input power according to power generator excitation current; calculating available power based on the power generator real-time input power and the engine power; and managing power distributed to a compressor based on the available power. The present invention further relates to a power management system. The power management method and system have the advantages of simplicity, reliability, stable operation and the like, the power generator real-time input power can be calculated according to the power generator excitation current, thus more power can be provided to the compressor on the premise that the power supply to power generator loads is guaranteed, and the operating efficiency of the transportation refrigeration unit is improved.

Abstract: An architecture for powering systems on an aircraft has a gas turbine engine including a main compressor, a combustor, and a turbine. The turbine powers the main compressor, and further powers a propulsor. The turbine is operably connected to drive a generator. The generator is connected to store generated power at a battery. The battery is connected to provide power to a motor from the propulsor such that the propulsor can be selectively driven by both the motor and the turbine. A bleed air control system and a tap for selectively tapping compressed air from the main compressor, and a control valve for delivering at least one of the tapped compressed air or a compressed alternative air to bleed systems on an associated aircraft. An electric bleed compressor selectively compresses the compressed alternative air. The electric bleed compressor is powered by the battery.

Abstract: A system for air-conditioning and hot-water supply is configured to selectively perform a cooling operation and a heating operation. The system includes: an outdoor unit having a compressor and an outdoor heat exchanger; at least one or more indoor units each of which is connected to the outdoor unit and includes an indoor heat exchanger; a hot-water supply unit connected to the outdoor unit so as to be arranged in parallel to the at least one or more indoor units and including a refrigerant-water heat exchanger; and a controller configured to monitor an occurrence of a request for hot-water supply from the hot-water supply unit during the cooling operation performed at at least one of the indoor units, and then to start the heating operation. The controller is further configured to determine a time point to resume the cooling operation based on at least one of an outdoor temperature and a target temperature of at least one indoor unit in the heating operation.

Abstract: It is determined whether or not the absolute value |a_sd| of the acceleration in the stacking direction of the cells is equal to or greater than the threshold THa (step S10). If the determination result of the step S10 is positive, it is determined whether or not the condition in which the absolute value |a_sd| is equal to or greater than the threshold THa continues (step S12). If the determination result of the step S12 is positive, the control valve is closed (step S14).

Abstract: An air conditioning system comprises a compressor, a rotary engine, and a condenser. The rotary engine comprises at least one drive shaft. The at least one drive shaft is operatively connected to the compressor and to the fuel tank. The condenser is operatively connected to the compressor. The evaporator is operatively connected to the condenser and to the compressor. The rotary engine combusts fuel to rotate the at least one drive shaft. Rotation of the at least one drive shaft operates the compressor to cause working fluid to flow such that the evaporator air conditions the passenger compartment.

Abstract: Provided is a wind turbine including a nacelle and a cooling circuit, wherein the cooling circuit includes at least one internal cooling device within the nacelle and at least one external cooling device outside of the nacelle, wherein a heat exchanging device coupling the cooling circuit with a second cooling circuit is provided, wherein the second cooling circuit includes a further external cooling device outside of the nacelle.

Abstract: A fuel cell based power generator includes a fuel cell element, an ambient air path configured to receive ambient air and provide the ambient air across a cathode side of the fuel cell element, receive water from the fuel cell element and provide wet air to the water exchanger element, and a fuel cell cooling mechanism associated with the fuel cell element, separate from the ambient air path and configured to cool the fuel cell element.

Abstract: An aircraft air conditioning system includes an ambient air line configured to have ambient air flow therethrough and being connected to a mixer of the air conditioning system to feed ambient air to the mixer, and a recirculation air line configured to have recirculation air flow therethrough and being connected to the mixer to feed to the mixer recirculation air discharged from an aircraft area to be air conditioned. A refrigerating machine of the air conditioning system includes a refrigerant circuit configured to have a refrigerant flow therethrough and being thermally coupled to the ambient air line and to the recirculation air line to transmit heat from the ambient air flowing through the ambient air line and from the recirculation air flowing through the recirculation air line to the refrigerant circulating in the refrigerant circuit, before the ambient air and the recirculation air are fed into the mixer.

Abstract: An airplane is provided. The airplane includes a compressing device. The compressing device includes a turbine with a first inlet and a second inlet. The turbine provides energy by expanding mediums. The first inlet is configured to receive a first medium of the mediums. The second inlet is configured to receive a second medium of the mediums. The compressing device includes a compressor and a motor. The compressor receives a first energy derived from the first and second mediums being expanded across the turbine during a first mode of the compressing device, receives a second energy derived from the first medium being expanded across the turbine during a second mode of the compressing device, and compresses the second medium in accordance with the first mode or the second mode. The motor provides a supplementary energy to the compressor.

Abstract: A transportation refrigeration unit includes an evaporator circulating a flow of refrigerant therethrough to cool a flow of supply air flowing over the evaporator, a compressor in fluid communication with the evaporator to compress the flow of refrigerant, and an engine operably connected to the compressor to drive operation of the compressor. The engine includes an exhaust pathway to direct an exhaust gas flow from the transportation refrigeration unit, and a nozzle extending circumferentially around the exhaust pathway defining a nozzle flowpath between the exhaust pathway and the nozzle, the nozzle configured to flow a cooling airflow along the nozzle flowpath to reduce a temperature of the exhaust gas flow.

Abstract: A refrigerated transport system (20) comprises a body (22) enclosing a refrigerated compartment (69). A refrigeration system (30) comprises: a vapor compression loop (31) having a first heat exchanger (38) positioned to reject heat to an external environment in a cooling mode. A heat transfer loop (32) has a second heat exchanger (58) positioned to absorb heat from the refrigerated compartment in the cooling mode. An inter-loop heat exchanger (44) has a first leg (42) along the vapor compression loop and a second leg (43) along the heat transfer loop in heat exchange relation with the first leg.

Abstract: A method and system for generating electrical power from a wheeled engine-driven vehicle. At least two hydraulic pumps are provided for pumping hydraulic fluid though respective hydraulic fluid outputs of the hydraulic pumps. A first one of the hydraulic pumps is driven by the engine of the vehicle and a second one of the hydraulic pumps is driven by one or more of the road-wheels of the vehicle. Hydraulic fluid pumped by the first and second hydraulic pumps is input in parallel to a hydraulic motor.

Abstract: An airplane is provided. The airplane includes a vapor cycle air conditioning system that receives outside air, a bleed system with at least one port, and an electric fan. A source of outside air when the airplane is on ground is forced air from the electric fan. The source of the outside air when the airplane is at cruise is bleed air from the at least one port.

Abstract: An air conditioner and a method for controlling an air conditioner are provided. The air conditioner may include at least one indoor device; an electric heat pump (EHP) outdoor device connected to the at least one indoor device, configured to drive a first compressor using electric power, and having a first outdoor heat exchanger for heat exchange of a refrigerant; a gas heat pump (GHP) outdoor device connected to the at least one indoor device, and having an engine configured to drive a second compressor using a burned gas, a second outdoor heat exchanger for heat exchange of the refrigerant, and a waste heat exchanger configured to exchange heat with the refrigerant using waste heat of the engine; and a low pressure refrigerant common pipe configured to connect the first outdoor heat exchanger with the second outdoor heat exchanger and to supply a low pressure refrigerant of the GHP outdoor device to the EHP outdoor device.

Abstract: A home appliance includes a driver to drive a load, a power supply to convert AC power supplied from an outside of the home appliance, and to receive DC power during interruption of electric power, and a controller (1) to perform a control operation to supply first electric power based on the supplied AC power to the load in accordance with a normal operation mode when no interruption of electric power occurs, (2) to perform a control operation to supply second electric power based on the supplied DC power to the load in accordance with the normal operation mode when no interruption of electric power occurs, and (3) to perform a control operation to supply third electric power based on the supplied DC power to the load in accordance with a power saving mode upon the interruption of electric power.

Abstract: An environmental control system includes a higher pressure tap at a higher pressure location in the main compressor section, and a lower pressure tap at a lower pressure location. The lower pressure location being at a lower pressure than the higher pressure location. The lower pressure tap communicates to a first passage leading to a downstream outlet and a compressor section of a turbocompressor. The higher pressure tap leads into a turbine section of the turbocompressor such that air in the higher pressure tap drives the turbine section to in turn drive the compressor section of the turbocompressor. A pylon includes a lowermost surface and the higher pressure tap does not extend above a plane including the lowermost surface. A combined outlet of the compressor section and the turbine section of the turbocompressor intermixes and passes downstream to be delivered to an aircraft use.

Abstract: A refrigerant circulation apparatus includes: a vehicle-interior air conditioning (2) that cools an interior of a vehicle; an on-vehicle battery cooler (3) that includes an evaporator for on-vehicle battery cooling (32) that cools an on-vehicle battery mounted on the vehicle; and an electric compressor (5) that compresses and supplies a refrigerant to at least one of the vehicle-interior air conditioning (2) and the on-vehicle battery cooling (3). The apparatus also includes: a temperature sensor (41) that detects a temperature of the electric compressor (5); a pressure sensor (42) that detects a pressure of the refrigerant compressed by the electric compressor (5); and a control unit (40) that restricts operation of the evaporator for on-vehicle battery cooling (32) to reduce load on the electric compressor (5) based on the temperature of the electric compressor (5) and the pressure of the refrigerant.

Abstract: A floating-body type wind turbine power generating apparatus includes a floating body floating on a water surface; and a wind turbine disposed on the floating body and configured so that at least a part of the wind turbine is submersible. The wind turbine includes: at least one blade; a hub to which the blade is mounted; a tower erected on the floating body; a nacelle disposed on the tower; a first electrical device disposed inside the hub or the nacelle; and a second electrical device connected to the first electrical device via a cable and configured to be movable relative to the tower in a vertical direction so as not be submerged upon submergence of the wind turbine.

Abstract: A method of evaluating operating capability of a prime mover includes: starting the prime mover with a minimum load requirement threshold; obtaining a reference prime mover operation parameter for the prime mover; comparing the reference prime mover operation parameter with a standard prime mover operation parameter to determine a reference matrix; and adjusting via a TRS controller a standard operation threshold based on the reference matrix to obtain an optimal operation threshold.

Abstract: Systems and methods for providing power to a refrigeration unit or an air conditioner used on a hybrid vehicle. The system includes an accumulation choke, a PWM rectifier, and a frequency inverter. The accumulation choke is configured to receive a first AC power, a second AC power, and a DC power. The accumulation choke and PWM rectifier convert the received power into an intermediate DC power having a peak voltage. The PWM rectifier provides the intermediate DC power to the frequency inverter. The frequency inverter converts the intermediate DC power to an output AC power. The frequency inverter provides the output AC power to the refrigeration unit.

Abstract: A method of starting a fuel cell system for a vehicle includes determining whether or not an activation signal of a fuel cell provided in the fuel cell system has been inputted, operating, if it is determined that the activation signal has been inputted, a cooling medium circulation pump to supply a cooling medium to an impurity removal mechanism for reducing a conductivity of the cooling medium, and driving an oxidant gas supply device and a fuel gas supply device in the fuel cell system to start activation of the fuel cell if it is determined that the conductivity of the cooling medium is less than or equal to a predetermined value.

Abstract: An auxiliary climate control system for a vehicle comprises a compressor, a condenser in fluid communication with the compressor, and an evaporator in fluid communication with the compressor and the condenser. The system further comprises an auxiliary controller configured to evaluate one or more system parameters to detect a malfunction. The controller is integrated with the main HVAC system and may control one or more elements of the main system.

Abstract: A power supply control device includes an inverter having plural switching elements, an inverter controller that controls the inverter, a device power supply that generates a first power supplied to the inverter controller, a detector that detects whether there is an abnormality relating to the compressor, and a power supply controller. The inverter generates drive voltages usable to drive a compressor motor that is a drive source of a compressor as a result of the switching elements switching on or off, and outputs the drive voltages to the compressor motor. The power supply controller stops generation of the first power by the device power supply to thereby stop the control of the inverter controller in a case where there is an abnormality relating to the compressor.

Abstract: A solar inverter is provided having a cooling module, a DC module, an inverter module and an AC module provided side-by-side within a chassis. The DC module includes an input accessible from a first side of the chassis and a disconnection switch on a second side of the chassis, with the input being configured to be connected to a DC solar power source. The AC module includes an output accessible from the first side of the chassis and a disconnection switch provided on the second side of the chassis. The cooling module is configured to pump a liquid coolant around the solar inverter in order to cool elements of the DC module, the inverter module and/or the AC module.

Abstract: A cooling system for an eco-friendly vehicle, may include an unified radiator that cools working fluid flowing therethrough to cool an electric power component and an air-cooling type AC condenser, respectively, a pump that is disposed in a series with the unified radiator to pump up the working fluid in the unified radiator to the electric power component or the water-cooling type AC condenser, a first branch pipe and a second branch pipe that connect the electric power components with the water-cooling type AC condenser in parallel for the unified radiator and the pump, and a valve connected to the first and second branch pipes and disposed to selectively supply the working fluid from the pump to the first branch pipe and the second branch pipe.

Abstract: An air treatment system for a vehicle includes a first compressor selectively coupled to a first vehicle power source. A second compressor is selectively coupled to a second vehicle power source. A first heat exchanger communicates with an interior space in the vehicle. A second heat exchanger communicates with an environment outside the vehicle. A valve member, in a first position, couples an inlet of each of the first and second compressors to an outlet of the first heat exchanger and an outlet of each of the compressors to an inlet of the second heat exchanger. In a second position, the valve member couples the outlets of the compressors to an inlet of the first heat exchanger and the inlets of the compressors to an outlet of the second heat exchanger. A controller selectively actuates at least one of the first and second compressors and the valve member.

Abstract: A hybrid electric vehicle having an air conditioning system, an engine and a belt-alternator-starter motor-generator, and a method of operation, is disclosed. A torque transfer assembly, such as a pulley and belt assembly, engages the engine and motor-generator, and includes a clutched member for selectively disconnecting the torque transfer between the engine and motor-generator. A refrigerant compressor includes a compressor shaft rotationally coupled to and driven by the motor-generator shaft. The compressor may be driven by the motor-generator when the engine is not operating.

Abstract: A combination air and ground source heating and/or cooling system. The system includes an indoor unit, an outdoor unit and an in-ground unit, each of which has a coil, an inlet line and an outlet line. The system also comprises a flow connector, a coupling and a controller. The controller is configured to control the flow connector and coupling so that the system is selectively operable in three different modes. In the first mode, refrigerant bypasses the coil of the outdoor unit, while, in the second mode, refrigerant bypasses the coil of the in-ground unit. In the third mode, refrigerant flows through the coils of the in-ground and outdoor units.

Abstract: A non electric, temperature controlled system for passing or bypassing a solar water heating apparatus includes a temperature controlled water distribution valve directing water to flow from a main supply of water toward a user depending on the setting and configuration of the temperature controlled water distribution valve within the system.

Abstract: A system for reducing idle time in service vehicles such as police patrol cars. A bank of auxiliary batteries is provided. An electrically-powered auxiliary air conditioning compressor is also provided. The auxiliary air compressor is connected to the discharge and suction lines of an existing an conditioning system so that it can propel refrigerant through an existing refrigerant circulation loop. When the vehicle's internal combustion engine is switched off, the auxiliary batteries are selectively used to power the auxiliary air-conditioning compressor in order to provide cooling for the vehicle's cabin. The auxiliary batteries are also used to provide electricity to the vehicle's other electrical loads—such as emergency lights.